Malware Analysis Report

2025-01-22 18:50

Sample ID 240315-ql79fshc2t
Target main.php.dll
SHA256 b54dc5193824eb35233c3922687a5adc462ab474362dd4effd488c2ae0dae301
Tags
gozi 3500 banker isfb trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b54dc5193824eb35233c3922687a5adc462ab474362dd4effd488c2ae0dae301

Threat Level: Known bad

The file main.php.dll was found to be: Known bad.

Malicious Activity Summary

gozi 3500 banker isfb trojan

Gozi

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-15 13:22

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-15 13:22

Reported

2024-03-15 13:25

Platform

win10v2004-20240226-en

Max time kernel

153s

Max time network

158s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\main.php.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 800 wrote to memory of 2840 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 800 wrote to memory of 2840 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 800 wrote to memory of 2840 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\main.php.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\main.php.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 init.icecreambob.com udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 app.updatebrouser.com udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 fun.lakeofgold.com udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 73.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 init.icecreambob.com udp
US 8.8.8.8:53 app.updatebrouser.com udp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 fun.lakeofgold.com udp

Files

memory/2840-0-0x0000000075580000-0x000000007568D000-memory.dmp

memory/2840-1-0x0000000075580000-0x000000007568D000-memory.dmp

memory/2840-3-0x0000000075580000-0x000000007568D000-memory.dmp

memory/2840-2-0x0000000002350000-0x0000000002351000-memory.dmp

memory/2840-4-0x0000000075580000-0x000000007568D000-memory.dmp

memory/2840-5-0x0000000002CF0000-0x0000000002CFD000-memory.dmp

memory/2840-8-0x0000000075580000-0x000000007568D000-memory.dmp

memory/2840-10-0x0000000002350000-0x0000000002351000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-15 13:22

Reported

2024-03-15 13:24

Platform

win7-20240221-en

Max time kernel

141s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\main.php.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1308 wrote to memory of 1748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1308 wrote to memory of 1748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1308 wrote to memory of 1748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1308 wrote to memory of 1748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1308 wrote to memory of 1748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1308 wrote to memory of 1748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1308 wrote to memory of 1748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\main.php.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\main.php.dll,#1

Network

N/A

Files

memory/1748-0-0x0000000074660000-0x000000007476D000-memory.dmp

memory/1748-2-0x0000000074660000-0x000000007476D000-memory.dmp

memory/1748-3-0x0000000000170000-0x0000000000171000-memory.dmp

memory/1748-4-0x0000000000260000-0x000000000026D000-memory.dmp

memory/1748-7-0x0000000074660000-0x000000007476D000-memory.dmp